(function ($, undefined) {
  $.fn.getCursorPosition = function() {
    var el = $(this).get(0);
    var pos = 0; 
    if('selectionStart' in el) {
      pos = el.selectionStart;
    } else if('selection' in document) {
      el.focus();
      var Sel = document.selection.createRange();
      var SelLength = document.selection.createRange().text.length;
      Sel.moveStart('character', -el.value.length);
      pos = Sel.text.length - SelLength;
    }
    return pos;
  }
})(jQuery);